./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca8443f02e84c43442a8563176ea0a68cc82ac31 .............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:23:56,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:23:56,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:23:56,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:23:56,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:23:56,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:23:56,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:23:56,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:23:56,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:23:56,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:23:56,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:23:56,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:23:56,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:23:56,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:23:56,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:23:56,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:23:56,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:23:56,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:23:56,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:23:56,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:23:56,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:23:56,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:23:56,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:23:56,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:23:56,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:23:56,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:23:56,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:23:56,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:23:56,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:23:56,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:23:56,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:23:56,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:23:56,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:23:56,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:23:56,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:23:56,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:23:56,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:23:56,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:23:56,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:23:56,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:23:56,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:23:56,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 18:23:56,489 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:23:56,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:23:56,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:23:56,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:23:56,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:23:56,494 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:23:56,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:23:56,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:23:56,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:23:56,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:23:56,496 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 18:23:56,497 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 18:23:56,497 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 18:23:56,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:23:56,498 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:23:56,498 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:23:56,499 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:23:56,499 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:23:56,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:23:56,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:23:56,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:23:56,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:23:56,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:23:56,501 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:23:56,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:23:56,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2020-12-01 18:23:56,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:23:56,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:23:56,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:23:56,920 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:23:56,921 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:23:56,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-12-01 18:23:57,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/data/bfa041049/310e17cd332d48b88ef3a301b3f2ef9e/FLAGbf65ab73f [2020-12-01 18:23:57,822 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:23:57,823 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-12-01 18:23:57,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/data/bfa041049/310e17cd332d48b88ef3a301b3f2ef9e/FLAGbf65ab73f [2020-12-01 18:23:58,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/data/bfa041049/310e17cd332d48b88ef3a301b3f2ef9e [2020-12-01 18:23:58,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:23:58,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:23:58,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:23:58,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:23:58,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:23:58,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:23:58" (1/1) ... [2020-12-01 18:23:58,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429ccc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:58, skipping insertion in model container [2020-12-01 18:23:58,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:23:58" (1/1) ... [2020-12-01 18:23:58,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:23:58,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:23:58,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:23:58,822 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:23:58,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:23:59,034 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:23:59,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59 WrapperNode [2020-12-01 18:23:59,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:23:59,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:23:59,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:23:59,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:23:59,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59" (1/1) ... [2020-12-01 18:23:59,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59" (1/1) ... [2020-12-01 18:23:59,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:23:59,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:23:59,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:23:59,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:23:59,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59" (1/1) ... [2020-12-01 18:23:59,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59" (1/1) ... [2020-12-01 18:23:59,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59" (1/1) ... [2020-12-01 18:23:59,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59" (1/1) ... [2020-12-01 18:23:59,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59" (1/1) ... [2020-12-01 18:23:59,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59" (1/1) ... [2020-12-01 18:23:59,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59" (1/1) ... [2020-12-01 18:23:59,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:23:59,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:23:59,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:23:59,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:23:59,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:23:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:23:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:23:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:23:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:23:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 18:23:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:23:59,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:23:59,764 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:23:59,764 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 18:23:59,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:23:59 BoogieIcfgContainer [2020-12-01 18:23:59,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:23:59,768 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:23:59,769 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:23:59,782 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:23:59,782 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:23:59" (1/1) ... [2020-12-01 18:23:59,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:23:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 16 states and 15 transitions. [2020-12-01 18:23:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-12-01 18:23:59,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 18:23:59,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2020-12-01 18:24:00,065 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-12-01 18:24:00,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:24:00,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2020-12-01 18:24:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-12-01 18:24:00,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:24:00,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2020-12-01 18:24:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-12-01 18:24:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:24:00,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2020-12-01 18:24:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-01 18:24:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:24:01,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:01,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2020-12-01 18:24:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2020-12-01 18:24:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:24:01,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:24:01,214 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:24:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:24:01,239 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:24:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:24:01,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:24:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:24:01,321 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:24:01,359 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2020-12-01 18:24:01,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:24:01 ImpRootNode [2020-12-01 18:24:01,388 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:24:01,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:24:01,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:24:01,389 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:24:01,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:23:59" (3/4) ... [2020-12-01 18:24:01,393 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:24:01,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3825c3a7-a3f9-4c94-a5cb-cfde1c1b9b39/bin/ukojak/witness.graphml [2020-12-01 18:24:01,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:24:01,484 INFO L168 Benchmark]: Toolchain (without parser) took 3316.94 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 60.6 MB in the beginning and 60.2 MB in the end (delta: 436.6 kB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:01,485 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 92.3 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:24:01,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.84 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 60.4 MB in the beginning and 95.8 MB in the end (delta: -35.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:01,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.32 ms. Allocated memory is still 119.5 MB. Free memory was 95.8 MB in the beginning and 94.8 MB in the end (delta: 954.7 kB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:01,492 INFO L168 Benchmark]: Boogie Preprocessor took 31.55 ms. Allocated memory is still 119.5 MB. Free memory was 94.8 MB in the beginning and 93.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:24:01,493 INFO L168 Benchmark]: RCFGBuilder took 599.82 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 73.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:01,493 INFO L168 Benchmark]: CodeCheck took 1619.33 ms. Allocated memory is still 119.5 MB. Free memory was 73.8 MB in the beginning and 62.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:01,494 INFO L168 Benchmark]: Witness Printer took 89.00 ms. Allocated memory is still 119.5 MB. Free memory was 62.3 MB in the beginning and 60.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:01,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 16 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 82 SDslu, 0 SDs, 0 SdLazy, 314 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={2:0}] [L759] free(p) VAL [ldv_global_msg_list={2:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={2:0}] [L760] free(p) VAL [ldv_global_msg_list={2:0}] [L760] free(p) VAL [ldv_global_msg_list={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 92.3 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 866.84 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 60.4 MB in the beginning and 95.8 MB in the end (delta: -35.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.32 ms. Allocated memory is still 119.5 MB. Free memory was 95.8 MB in the beginning and 94.8 MB in the end (delta: 954.7 kB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.55 ms. Allocated memory is still 119.5 MB. Free memory was 94.8 MB in the beginning and 93.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 599.82 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 73.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 1619.33 ms. Allocated memory is still 119.5 MB. Free memory was 73.8 MB in the beginning and 62.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Witness Printer took 89.00 ms. Allocated memory is still 119.5 MB. Free memory was 62.3 MB in the beginning and 60.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...